79 	size_t remaining;  in sof_msg_inject_ipc4_dfs_read()  local
88 	remaining = header_size;  in sof_msg_inject_ipc4_dfs_read()
93 		remaining += ipc4_msg->data_size;  in sof_msg_inject_ipc4_dfs_read()
95 	if (count > remaining)  in sof_msg_inject_ipc4_dfs_read()
96 		count = remaining;  in sof_msg_inject_ipc4_dfs_read()
97 	else if (count < remaining)  in sof_msg_inject_ipc4_dfs_read()
98 		remaining = count;  in sof_msg_inject_ipc4_dfs_read()
105 	remaining -= header_size;  in sof_msg_inject_ipc4_dfs_read()
107 	if (!remaining)  in sof_msg_inject_ipc4_dfs_read()
110 	if (remaining > ipc4_msg->data_size)  in sof_msg_inject_ipc4_dfs_read()
111 		remaining = ipc4_msg->data_size;  in sof_msg_inject_ipc4_dfs_read()
114 	if (copy_to_user(buffer + *ppos, ipc4_msg->data_ptr, remaining))  in sof_msg_inject_ipc4_dfs_read()
117 	*ppos += remaining;  in sof_msg_inject_ipc4_dfs_read()